13317047888 has 10 divisors (see below), whose sum is σ = 25801780314. Its totient is φ = 6658523936.

The previous prime is 13317047857. The next prime is 13317047893. The reversal of 13317047888 is 88874071331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7564128784 + 5752919104 = 86972^2 + 75848^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416157731 + ... + 416157762.

Almost surely, 2^13317047888 is an apocalyptic number.

It is an amenable number.

13317047888 is a deficient number, since it is larger than the sum of its proper divisors (12484732426).

13317047888 is an equidigital number, since it uses as much as digits as its factorization.

13317047888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832315501 (or 832315495 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 13317047888 in words is "thirteen billion, three hundred seventeen million, forty-seven thousand, eight hundred eighty-eight".